<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>mycss 2</title>
    <style>
        .c1 {
            font-size: 20px;
        }
        .c2 {
            color: darkblue;
        }
        .c3 {
            color: darkcyan;
        }
        p.c4 {
            text-align: center;
        }
        p .c5 {
            color:darkgreen;
        }
        #id1 {
            text-decoration: underline;
        }
        .c1,.c3,#id1 {
            font-weight: bold;
        }
        a:link {   /*设置访问前的样式*/
            text-decoration: none;
        }
        a:hover {    /*设置鼠标悬停的样式*/
            font-size: 1.2em;
        }
        a:visited {   /*设置访问后的样式*/
            color: darkgray;
        }
        .c6 {
            border: 1px solid black;
            width: 50%;
            font-size: 20px;
        }
        html {
            font-size: 16px;
        }
        .c7 {
            font-size: 2rem;
        }
        .c8 {font-size: 2em}
        .c9 {
            color: rgb(100, 100, 100);}
        .c10 {
            /*color: #ab129d;*/
            /*color: #aacc55;*/
            /*color: #ac5;*/
            color: #cc4723;
        }
        .c11, .c12 {
            width: 300px;
            border: 1px solid black;
        }
    </style>
</head>
<body>
<div class="c9">达内云计算 Cloud Computing</div>
<div class="c10">达内云计算 Cloud Computing</div>
<div class="c11">达内云计算 Cloud Computing</div>
<div class="c12">达内云计算 Cloud Computing</div>
<div class="c7">
    达内云计算 Cloud Computing
    <div class="c8">达内云计算 Cloud Computing</div>
</div>

<h1>达内云计算 Cloud Computing</h1>
<div class="c6">达内云计算 Cloud Computing</div>
<div>
    <a href="http://linux.tedu.cn">达内云计算</a> Cloud Computing
</div>
<p class="c1">达内云计算 Cloud Computing</p>
<p class="c1 c2">达内云计算 Cloud Computing</p>
<p class="c3 c2">达内云计算 Cloud Computing</p>
<p class="c4">达内云计算 Cloud Computing</p>
<p class="c5">达内云计算 Cloud Computing</p>
<p>达内云计算 <span class="c5">Cloud Computing</span></p>
<p>达内云计算 Cloud Computing</p>
<div class="c1">达内云计算 Cloud Computing</div>
<div class="c4">达内云计算 Cloud Computing</div>
<div id="id1">达内云计算 Cloud Computing</div>
<div>达内云计算 Cloud Computing</div>
<div>达内云计算 Cloud Computing</div>
</body>
</html>